baber/WOPTO huggingface dataset:
Patent KR-20100084682-A (KR)
Title: Method for manufacturing image display device
Inventor: SUZUKI MITSURU
IPC: G02F1/1335
Filed: 2008-12-01
Abstract: Provided is a method for manufacturing an image display device wherein a polarization plate (11) using a polyester film as a polarizer protection film is accurately adhered to an optical display unit (W) such as a liquid crystal cell. The manufacturing method has the following steps in the following order: a transfer step of transferring the polarization plate (11), which is temporarily adhered to a mold release film (12) having a tensile force, to a position facing the optical display unit (W); a first adhering step wherein one end portion of the polarization plate (11) is removed from the mold release film (12) and at least a part of the polarization plate (11) peeled from the mold release film (12) is adhered to the surface of the optical display unit (W); and a second adhering step of adhering the rest of the portions of the polarization plate (11) to the optical display unit (W), while peeling the mold release film (12) from the rest of the polarization plate (11), which is left temporarily adhered to the mold release film (12) in the first adhering step.
Patent KR-20100105578-A (KR)
Inventor: CHANG JANE WEN
IPC: G06F21/24
Filed: 2008-11-24
Abstract: 시간 이벤트 기반 비디오 지문 분석을 위한 컴퓨터 구현 방법, 장치 및 컴퓨터 프로그램 제품 코드에 관한 것이다.  일 실시예에서는, 비디오 콘텐츠의 이벤트들이 검출된다.  비디오 콘텐츠는 복수의 비디오 프레임을 포함한다.  이벤트는 비디오 콘텐츠의 관심 대상인 이산점들을 나타낸다.  시간 이벤트 기반 세그먼트들의 세트는 이벤트를 이용하여 생성된다.  각 시간 이벤트 기반 세그먼트는 이벤트들의 세트를 커버하는 비디오 콘텐츠의 세그먼트이다.  시계열 신호는, 각 시간 이벤트 기반 세그먼트에 연관된 프레임들의 세트의 콘텐츠 기반 특징들의 시간 추적을 이용하여 각 시간 이벤트 기반 세그먼트로부터 도출된다.  시간 세그먼트 기반 지문은 각 시간 이벤트 기반 세그먼트에 대한 시계열 신호에 기초하여 추출되어 비디오 콘텐츠에 연관된 시간 세그먼트 기반 지문들의 세트가 형성된다.
Patent KR-20100095558-A (KR)
Title: Room temperature crosslinkable ion conductive polymer system
Inventor: SONG ZHIQIANG
IPC: C08J5/22
Filed: 2008-11-26
Abstract: A room temperature crosslinkable polymer system comprising an anhydride containing polymer and an oxyalkylene amine and a polymer electrolyte derived therefrom are prepared and employed as ion conducting materials for batteries such as lithium ion battery, solar cells and electrochromic devices is disclosed.
Patent KR-20100116581-A (KR)
Title: 선형 위치 센서
Inventor: NEWMAN ROBERT
IPC: G01D5/14
Filed: 2008-12-02
Abstract: 부착된 이동체의 위치를 감시하는데 사용된 센서. 이 센서는 공압 액추에이터에 장착될 수 있다. 센서는 벽에 의해 분리된 한 쌍의 캐비티 또는 포켓을 갖는 하우징을 포함한다. 자석 캐리어는 하나의 캐비티내에 배치되고, 자석은 상기 자석 캐리어에 연결된다. 자석 캐리어는 이동체에 연결된다. 자기 센서는 다른 캐비티내에 배치된다. 자기 센서는 이동체의 위치를 가리키는 전기신호를 발생한다.
Patent KR-20100113535-A (KR)
Inventor: PRIYADARSHI SHAIWAL
IPC: H04N7/12
Filed: 2008-12-22
Abstract: 애플리케이션 개선 트랙을 통해서 개선된 디지털 미디어 재생을 제공하는 시스템 및 방법이 기재되어 있다.  애플리케이션 개선 트랙은 시각적-탐색 등과 같은 컨텐트와 관련된 하나 이상의 기능의 수행을 돕도록 연관되고 부호화되는 주된 컨텐트로부터 유래된다.
Patent KR-20100126719-A (KR)
Inventor: TAKENAKA MITSURU
IPC: H01L21/20
Filed: 2009-03-26
Abstract: 실용적으로 간단한 방법으로, 양호한 3-5족 화합물 반도체와 산화층과의 계면을 형성한다. InP에 격자 정합 또는 의사 격자 정합하고, 비소를 함유하지 않는 3-5족 화합물의 제1 반도체층과, 상기 제1 반도체층에 접하여 형성되며, InP에 격자 정합 또는 의사 격자 정합하는 3-5족 화합물의 반도체층으로서, 상기 제1 반도체층에 대하여 선택적으로 산화가 가능한 제2 반도체층을 포함하는 반도체 기판이 제공된다. 또한, InP에 격자 정합 또는 의사 격자 정합하고, 비소를 함유하지 않는 3-5족 화합물의 제1 반도체층과, 제1 반도체층에 접하여 형성되며, InP에 격자 정합 또는 의사 격자 정합하는 3-5족 화합물의 제2 반도체층의 적어도 일부를 제1 반도체층에 대하여 선택적으로 산화하여 형성된 산화층과, 제1 반도체층에 형성되는 채널에 전계를 가하는 제어 전극을 포함하는 반도체 장치가 제공된다.
Patent KR-20100123852-A (KR)
Inventor: KEMP JAMES H
IPC: A46B9/04
Filed: 2008-05-06
Abstract: 본원의 반응 및 배출 기구(100)는 사용자가 조작하기 위한 형상을 갖는 손잡이(103), 및 복수개의 작용제(agent) 수용영역(120, 130)을 가진 헤드(102)를 포함하고, 제1작용제 수용영역(120)은 제1작용제를 수용하고 그리고 제2작용제 수용영역(130)은 제2작용제를 수용하고, 상기 제1 및 제2작용제는 서로 다른 것이다.  상기 헤드는, 배출 위치에 있을 때에 접촉 면에 제3작용제를 생기게 하여 적용하기 위해 배출 위치에서의 혼합을 통해 제1 및 제2작용제가 반응하고 그리고 저장 위치에서 제1 및 제2작용제의 혼합의 방지를 촉진하는 형상을 갖는다.  반응 및 배출 기구는 칫솔과 같은 구강관리기구일 수 있다.  기구는 또한 모터 구동될 수 있고 그리고 다양한 반응으로 사용될 수 있다.
Patent KR-20100116216-A (KR)
Inventor: WATANABE KEISHIRO
IPC: H04N19/139
Filed: 2009-03-23
Abstract: 인코딩된 비디오의 비트 스트링에 존재하고 장면들 사이의 차이를 나타내는 파라미터의 역할을 하는 움직임 벡터 또는 DCT 계수, 또는 인코딩된 비디오의 비트 스트링을 부분적으로 디코딩함으로써 얻어진 픽셀 정보 또는 인코딩 제어 정보는 비디오 품질 객관적 평가에 사용된다. 따라서 전체 비디오의 비트 스트링을 디코딩함으로써 얻어진 픽셀 정보를 사용하는 비디오 픔질 객관적 평가 장치와 비교하여 많은 양의 계산을 요구하는 픽셀 정보 디코딩 처리의 양을 절감할 수 있다.
Patent KR-20110002850-A (KR)
Title: 식물약해 경감 방법
Inventor: SHIRAKURA SHINICHI
IPC: A01G7/00
Filed: 2009-04-07
Abstract: 종자를 파종전에 3,4-디클로로-2'-시아노-1,2-티아졸-5-카복스아닐리드로 처리하여 종자 작물의 식물약해를 경감시키는 방법이 제공된다.
Patent KR-20110015598-A (KR)
Inventor: NAKAJIMA HAJIME
IPC: G01D5/36
Filed: 2009-06-03
Abstract: 본 발명은, 정현파 각도 내삽 방식의 인코더에 있어서, 단일의 신호 트랙에서의 내삽 각도 정밀도를 향상 가능한 광학식 인코더를 제공한다.  기본 주기의 정현파에 소정의 주기로 위상 변조파를 중첩한 파형을 신호 트랙(103)으로서 마련하고, 위상 변조파의 정현 신호 및 여현 신호를 취출하는 광검출기(104)를 마련한다.  연산부(106)는 광검출기에 구비되는 제 1 광검출기 쌍 및 제 2 광검출기 쌍의 출력 신호로부터 각각 전기각을 연산하고, 그 합 및 차이를 구하는 것에 의해, 기본 주기의 전기각과 위상 변조파를 얻는다.
Patent KR-20110007259-A (KR)
Inventor: WENDELIN GERHARD
IPC: B29B17/00
Filed: 2007-11-13
Abstract: 본 발명은 열가소성 물질의 전처리, 재처리 또는 재생을 위한 방법에 관한 것으로서, 플라스틱 물질이 융용 온도 보다 낮은 온도에서 일정하게 혼합 또는 이동 및/또는 분쇄되면서 하나 이상의 수용 탱크 또는 반응기 내에서 가열되고, 그에 따라 동시에 결정화되고, 건조되고 및/또는 정제되며, 상기 플라스틱 물질의 혼합 및 가열을 위해서, 가능한 경우에 서로의 위쪽에서 다수의 높이에서 정렬되고 수직 축선을 중심으로 회전될 수 있는 하나 이상의 분쇄 또는 혼합 툴이 이용되며, 상기 분쇄 또는 혼합 툴은 물질에 대해 작용하여 분쇄 및/또는 혼합 효과를 제공하는 작업 엣지를 구비하며, 상기 가열이 특히 기계적 에너지를 인가함으로써 발생된다.
Patent KR-20120078946-A (KR)
Title: Mobile terminal system and control method thereof
Inventor: SHIN JONG GU
IPC: H04L9/32
Filed: 2011-01-03
Abstract: PURPOSE: A mobile terminal and a control method thereof are provided to pay a charge for using a commodity through payment method information connected with the terminal information based on the terminal information supplied by the mobile terminal, there by conveniently paying the charge. CONSTITUTION: A communication unit(310) receives a payment request signal transmitted from a server. The control unit(330) performs an authentication function in response to the payment request signal and transmits payment approval result information including a result of the authentication function to the server through the communication unit. The control unit receives a terminal information request signal from a mobile terminal and transmits terminal information of the mobile to a random terminal. The payment request signal includes commodity information and payment information including charge information corresponding the commodity information.
Patent KR-20110089082-A (KR)
Title: Component mounting apparatus with abnormality detecting device
Inventor: ASAKURA RYOJI
IPC: H05K13/04
Filed: 2011-01-27
Abstract: PURPOSE: A component mounting apparatus equipped with an abnormality detection device is provided to change a relation of data recorded in the device and a cause of an abnormality in the environment in which the apparatus is installed, thereby presuming the cause of the abnormality using the changed relation. CONSTITUTION: A feeder(110) returns and supplies a part in a substrate. A mounting device(120) equips a provided part to the substrate. An abnormality detection device(130) detects a abnormality generated in the feeder or the mounting device. An operator(150) presumes a cause of the abnormality. A entire controller(140) controls each devices. Device information specifies the times failing the mounting of the part on the substrate. A memory unit memorizes at least 2 kind of information among causative information which specifies the cause of the abnormality generated from a component mounting device. A controller forms a function which determines a cause of an abnormality using the device information and the causative information and suggests a cause of a new abnormality using the times failing the mounting of the part on the substrate at the time of occurrence of the new abnormality.
Patent KR-20120095527-A (KR)
Title: Power control system for pavilion
Inventor: PARK JONG MIN
IPC: G05B19/418
Filed: 2011-02-21
Abstract: PURPOSE: A power control system for exhibition is provided to integrate an interface with a personal computer into an XML socket based on TCP/IP and to efficiently manage exhibition power. CONSTITUTION: A sensor unit(200) senses an electric signal and an operating signal within exhibition. The sensor unit offers the sensed signal to an interface controller(100). A relay connection unit(300) connects a device connected to outside. A serial port unit(400) processes by switching a communication signal with outside. An internal hub unit(150) is arranged inside an XML packet unit. The XML packet unit supplies software for controlling the interface controller.
Patent KR-20120095687-A (KR)
Title: Device for enlarging the coherence of mounting plate for furniture hinge
Inventor: PYO CHEOL SOO
IPC: E05D11/00
Filed: 2011-02-21
Abstract: PURPOSE: A device for increasing the tightness of a mounting plate for a furniture hinge is provided to improve the supporting force of a furniture door. CONSTITUTION: A device for increasing the tightness of a mounting plate for a furniture hinge comprises a connecting unit, a fixing unit, and a setting unit. The connecting unit connects a body portion using upper and lower plates(31,32). The upper plate is connected to a lower part of the body portion, and comprises wing pieces. The lower plate is fixed to the upper plate with a setting bolt, and comprises wind pieces. The fixing unit supports a furniture door using a fastening bolt(33) and a stiffening bolt(38). The fastening bolt is connected to one wing piece, and fixes the lower plate to a furniture wall. The stiffening bolt is connected to the other wind piece. The setting unit sets the balance of the furniture door using a setting bolt(35), a double setting body(37), and a eccentric bolt(34). The eccentric bolt is connected to one wind piece. The double setting body is mounted to the other wing piece, and the stiffening bolt is coupled.
Patent KR-20120095755-A (KR)
Title: Method of preparing feed seed for granular polycrystalline polysilicon preparation
Inventor: CHOI JUNG IL
IPC: C01B33/037
Filed: 2011-02-21
Abstract: PURPOSE: A method of manufacturing raw material seed for manufacturing granulated polycrystalline polysilicon is provided to optimize manufacturing facilities by preventing the oxidization and the pollution of silicon micropowder and omitting a pre-treating process. CONSTITUTION: A method of manufacturing raw material seed for manufacturing granulated polycrystalline polysilicon includes the following: silicon micropowder, generated from a granulated polycrystalline polysilicon manufacturing process using a fluidized bed reactor(1), is primarily filtered and secondarily filtered to separately collect silicon micropowder of different particle sizes; silicon micropowder of different particle sizes are transferred to each storing bath under an anti-oxidizing condition; the silicon micropowder is mixed under an anti-pollution condition; the mixed silicon micropowder is formed into a silicon molded body without a pre-treating process for eliminating surface oxide; and the silicon molded body is molten, sprayed, and re-crystallized to obtain silicon particles of 200-500um.
Patent KR-20120096121-A (KR)
Title: Network storage apparatus and method for controlling thereof, and network storage system
Inventor: LEE HO YOUN
IPC: G06F13/14
Filed: 2011-02-22
Abstract: PURPOSE: A network storing device, a controlling method thereof, and a network storing system thereof are provided to supply various services except for a simple storing function. CONSTITUTION: A second communication unit(310) performs communication with a server and an external terminal. The server supplies a control screen for the control of a network storing device to the external terminal. A second storing unit(320) stores a file. If the power source is turned on, a second controlling unit(340) is connected to the server. The second controlling unit controls the second communication unit in order to maintain a connection state with the server. The second controlling unit manages a file stored in the second storing unit according to a request of a user through the control screen.
Patent KR-20120103271-A (KR)
Title: Rotor and manufacturing method thereof
Inventor: AHN JONG KEE
IPC: H02K5/24
Filed: 2011-03-10
Abstract: PURPOSE: A rotator and a manufacturing method thereof are provided to prevent cracks generated through molding process of cooling and heating by placing a buffer member between a magnetic force member and a sleeve member. CONSTITUTION: A shaft(31) is a center axis and is extended to one direction. A magnetic force member(32) is arranged on the circumference of the shaft. A sleeve member(34) pressurizes the magnetic force member towards the shaft. The sleeve member surrounds the magnetic force member. A buffer member is placed between the magnetic force member and the sleeve member. The buffer member comprises material having elasticity. The sleeve member comprises a filament band wound around the circumference of the buffer member.
Patent KR-20120104776-A (KR)
Title: Liquid crystal display device and method for manufacturing thereof
Inventor: SUNG WOO YONG
IPC: G02F1/1339
Filed: 2011-03-14
Abstract: PURPOSE: A liquid crystal display device and a manufacturing method thereof are provided to increase bonding power between a bead spacer and a substrate, thereby uniformly maintaining a cell gap even though the substrate is bent. CONSTITUTION: A first substrate(110) and a second substrate(210) face each other. A bead and a first adhesive are mixed. A bead spacer(320) is formed on the first substrate. A second adhesive(324) is formed on the second substrate and corresponds to the bead spacer. A liquid crystal layer(3) is formed between the first substrate and the second substrate.
Patent KR-20120105084-A (KR)
Title: The wire rail pest control device for greenhouse
Inventor: KIM YOUNG HWAN
IPC: A01M7/00
Filed: 2011-03-15
Abstract: PURPOSE: A wire rail control device for a greenhouse is provided to automatically spray chemicals to crops from a spraying member by moving a wire operated by a driving pulley. CONSTITUTION: A wire rail control device for a greenhouse(1) comprises the following: the greenhouse including a rail(5) on the lower side of a vertical frame(2); a horizontal frame(3) formed along to the longitudinal direction of the vertical frame; supporting plates(10) located on both sides of the vertical frame; a driving pulley(25) combined to a driving motor(20) using one supporting plates to receive power; a driven pulley(27) formed on the opposite side of the driving pulley; a wire(30) connected to the driving and driven pulleys for the tracklaying movement; a wire support rotating unit rotating to the horizontal direction around the end of a supporter(41); a wire support member(40) including a torsion spring(40s) applying elasticity to the wire support rotating unit; and a spraying member(50) fixed to the wire to move around the inside of the greenhouse and spray chemicals.
Patent KR-20120107722-A (KR)
Title: Substrate cutting apparatus and substrate cutting method using the same
Inventor: KANG JI HYEON
IPC: C03B33/033
Filed: 2011-03-22
Abstract: PURPOSE: A substrate cutting device and a substrate cutting method using the same are provided to rapidly and stably cut unit substrates from a large-sized substrate. CONSTITUTION: A substrate cutting device(100) provides rotary tables(110) and pressing plates(130). A large-sized substrate(10) on which a plurality of cutting lines(11) is formed is settled on a spinning table. The rotary table has rotary shafts corresponding with the cutting lines. The pressing plate clinches the large-sized substrate on the rotary table. The spinning shaft comprises first rotary shafts(111) and second rotary shafts(112a,112b). The first rotary shaft rotates the rotary table in a V shape, and the second rotary shaft rotates the rotary table in a reversed V shape. A substrate cutting method comprises the following steps: forming a plurality of cutting lines to fit a unit substrate size on the large-sized substrate; fixing the large-sized substrate on the rotary table; and cutting a plurality of unit substrates along the cutting lines by spinning the rotary table around the plurality of rotary shafts.
Patent KR-20120108568-A (KR)
Title: System and method for providing guiding information
Inventor: CHO JUN HO
IPC: G06V30/224
Filed: 2011-03-24
Abstract: PURPOSE: A guide information providing system and method thereof are provided to offer guide information to a portable terminal using a guide server. CONSTITUTION: A guide terminal(110) receives a selection point from a user. A guide server(120) creates guide information according to the identification information of a guide terminal and the selected point received from the guide terminal. The guide server transmits address information for accessing to the guide information to the guide terminal. The guide terminal provides the address information to a portable terminal. [Reference numerals] (110) Guide terminal; (120) Guide server; (130) Mobile communication terminal
Patent KR-20110046417-A (KR)
IPC: F16H15/16
Filed: 2011-03-24
Abstract: PURPOSE: An automatic gearbox is provided to maintain the optimum ratio of power and speed by automatically shifting gear according to speed. CONSTITUTION: Circumferential saw tooth lines(1) are formed on a truncated cone type gear. In a first truncated cone(11), the saw tooth lines are formed in the longitudinal direction and gaps(2) with the same width as the saw tooth lines are alternately formed between the saw tooth lines. In a second truncated cone(12), gaps(2-1) with double width are formed between the saw tooth lines. Each truncated cone has top and bottom surfaces that are parallel to each other. The two truncated cones are moved in opposite directions around respective rotary shafts(3).
Patent KR-20120113031-A (KR)
Title: A boundary stone on road and the manufacturing method having that l type side part is in one united body
Inventor: PARK SANG HI
IPC: E01C11/22
Filed: 2011-04-04
Abstract: PURPOSE: A road boundary stone with an L-shaped side ditch and a boundary stone and a manufacturing method thereof are provided to reduce damage when a vehicle or person collides with the road boundary stone. CONSTITUTION: A manufacturing method of a road boundary stone with an L-shaped side ditch and a boundary stone is as follows. A compression molding, comprising a front plate(41), an intermediate plate(42), a rear plate, side plates, and a rear top plate(45), is formed using recycled resin or waste resin. A concrete mixture with aggregate and cement is put into the compression molding and is cured to integrate an L-shaped side ditch and a boundary stone. A V-shaped or U-shaped drainage channel with a downward inclination is formed from a roadway to the boundary stone.
Patent KR-20120124767-A (KR)
Title: New Bioinformatics Platform for High-Throughput Profiling of N-Glycans
IPC: G01N33/50
Filed: 2011-05-04
Abstract: PURPOSE: A method for analyzing mass spectrometry result using a mass spectrometer of high resolution(MALDI FT-ICR) is provided to efficiently and accurately identify and quantitate saccharides and to predict and diagnose cancer. CONSTITUTION: A new bioinformatics platform for identifying N-glycans from blood sample comprises: a step of analyzing saccharides hydrolyzed by PNGase F using a mass spectrometer of high resolution(MALDI FT-ICR) to obtain mass spectrum; a step of removing noise from the mass spectrum, selecting peak, and preparing a peak list; a step of grouping isotopes of the peak list; a step of modeling isotopic distribution from saccharide database in the peak list; a step of calculating S-score and identifying saccharides with 4.5 or more of S-score; a step of analyzing correlation based on the identified saccharides and identifying branching N-glycan; and a step of preparing profiling and correlation map.
Patent KR-20120125917-A (KR)
Title: Curable binders for ink-jet ink for manufacturing color filter
IPC: C08F20/06
Filed: 2011-05-09
Abstract: PURPOSE: A printable curable binder resin for color filters is provided to enhance chemical resistance, thermal resistance, water resistance, hardness, and physical properties. CONSTITUTION: A printable curable binder resin for color filters includes recurring units represented by chemical formula 1. In the chemical formula 1, R1-R3 are respectively -H or -CH3, R4 is a functional group of chemical formula 1 -a or phenyl or a mixture thereof, R5 is -COOH, -CONH2, or a mixture thereof, and R6 is -COO - (CH2) k-OH. Here, k indicates 8-12. If the sum of x, y and z are assumed to 100 mole%, the sum total of x and y is 50-85 mole%, and Z is 15-50 mole%.
Patent KR-20120128336-A (KR)
Title: Horizontal load bumper assembly and structure supporting apparatus with the same
IPC: E01D19/04
Filed: 2011-05-17
Abstract: PURPOSE: A horizontal load bumper assembly and a structure supporting apparatus comprising the same are provided to prevent the interference of elements. CONSTITUTION: A horizontal load bumper assembly comprises a horizontal elastic member, a guide bar, and a prevention member. The horizontal elastic member comprises a boundary surface(130) and composed of independent units(110a, 110b, 110c). The guide bar passes through the horizontal elastic member. The guide bar accommodates the extension of the horizontal elastic member. The prevention member is installed on the boundary surface to prevent the interference of elements.
Patent KR-20120128842-A (KR)
Title: Container for polymer powder
IPC: B32B27/18
Filed: 2011-05-18
Abstract: PURPOSE: A packaging container for polymer powder using an outer cover produced with a conductive fabric and an inner cover produced with a conductive film is provided to offer enough electrostatic removing and moisture blocking functions. CONSTITUTION: A packaging container for polymer powder includes an outer cover(110) produced with a conductive fabric and an inner cover(120) produced with a conductive film. The outer cover and the inner cover have an entrance on one side for inserting and discharging the polymer powder. The fabric outer cover can be produced with one entrance on one side, and the film inner cover can be produced with two entrances on both sides.
Patent KR-20120129139-A (KR)
Title: Substrate Align Apparatus
IPC: H01L21/68
Filed: 2011-05-19
Abstract: PURPOSE: An apparatus for aligning a substrate is provided to prevent the error of electric connection by integrally aligning substrates in the process for boning stacked substrates. CONSTITUTION: A main body(100) is formed between a first substrate and a second substrate. Light sources(300,400,500,600) are arranged on one side of the main body. Am image sensor(200) is arranged in the front side of the main body in order to face a first substrate. The image sensor receives light generated from the light source to obtain an image.
Patent KR-20120130937-A (KR)
Title: Light modulator with photonic crystal and 3D image acquisition apparatus employing the same
IPC: G01S17/894
Filed: 2011-05-24
Abstract: PURPOSE: A photonic crystal optical modulator and a 3D image obtaining device including the same is provided to implement the high speed modulation of incident light by using a photonic crystal structure having an EA(Electro-Absorption) effect or an EO(Electro-Optic) effect. CONSTITUTION: A photonic crystal optical modulator(100) includes a substrate(110), a first electrode(120), an active layer(130), a second electrode(140), and a photonic crystal layer(160). The first electrode is formed on the substrate. The active layer is formed on the first electrode. The active layer is formed by using materials having an optical characteristic changed according to the supply of an electric field. The second electrode is formed on the active layer. The photonic crystal layer is formed on the second electrode in a 2D grid shape.